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    Home » Ingredient » Beef & Lamb

    Published: Mar 28, 2023 · Modified: Aug 22, 2024 by Genevieve · This post may contain affiliate links.

    Roasted Lamb Breast Recipe

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    lamb breast on a white platter with the words lamb breast recipe and the URL for two cloves kitchen dot com.
    lamb breast on a white platter with the words lamb breast recipe and the URL for two cloves kitchen dot com.
    lamb breast on a white platter with the words lamb breast recipe and the URL for two cloves kitchen dot com.
    lamb breast on a white platter with the words lamb breast recipe and the URL for two cloves kitchen dot com.

    This succulent lamb breast recipe is seasoned with Dijon mustard, garlic, and rosemary before being roasted to perfection. With a tender interior and a lightly crisp exterior, this recipe is sure to impress! Keep reading for step-by-step instructions and the tips and tricks you need for a delicious lamb dish.

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    lamb breast on a white platter with thyme.

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    Jump to:
    • Why You'll Love this Lamb Recipe
    • What You'll Need
    • Recommended Equipment
    • How to Make Breast of Lamb
    • Variations and Substitutions
    • Storage and Reheating
    • Frequently Asked Questions (FAQs)
    • How to Serve this Breast of Lamb Recipe
    • Expert Tips
    • More Meaty Main Dishes to Try
    • 📖 Recipe
    • 💬 Comments

    Why You'll Love this Lamb Recipe

    Whether you're experienced with cooking lamb or this is your first time, lamb breast is a forgiving, fatty cut that's a bit less expensive than other cuts and, when cooked low and slow, the meat is tender and flavorful. 

    Slow-cooked lamb is coated with a bright, savory mixture of dijon mustard, rosemary, and fresh garlic. The fat renders slowly over the long cook time, leaving tender lamb on the exterior and a lightly crisp exterior.

    This is a great project meal for a weekend. It's one of those dinner recipes that makes the house smell amazing for hours, so everyone is excited to eat when it's ready.

    Finally, while this recipe might seem challenging because of the time commitment, it's truly an easy recipe at its heart. With simple ingredients and relatively little hands-on time, this will quickly become one of your favorite recipes.

    What You'll Need

    Two Cloves Kitchen, as an Amazon Affiliate, makes a small percentage from qualified sales made through affiliate links at no cost to you.

    labeled ingredients for lamb breast recipe.
    • Bone-in Lamb Breast This is a slightly different cut than lamb ribs, as it also contains the breastplate.
    • Olive Oil You could also use a bit of neutral oil, like avocado oil or grapeseed oil.
    • Dijon Mustard  
    • Rosemary I tested this with both dried and fresh rosemary and both work well.
    • Kosher Salt is my preferred salt for cooking. It is less salty per teaspoon than sea salt or table salt, making it easier to taste as you go and harder to oversalt.
    • Black Pepper Freshly ground black pepper is best here.

    Recommended Equipment

    Kitchen Knife

    Roasting Pan or Deep Baking Sheet (I prefer a roasting pan, here!)

    Cutting Board

    Tongs

    Measuring Spoons

    Small Bowl

    Instant Read Thermometer

    How to Make Breast of Lamb

    Minced garlic sits on a white cutting board.

    Step One Preheat the oven to 200 degrees Fahrenheit. Meanwhile, chop your garlic.

    dijon mustard, chopped garlic, olive oil, and rosemary are mixed in a glass bowl.

    Step Two Prepare your lamb rub by mixing the dijon mustard, garlic, rosemary, and olive oil in a dish.

    lamb breast is patted dry with a paper towel.

    Step Three Pat the lamb breast dry with a paper towel.

    lamb breast seasoned with salt and pepper.

    Step Four Season the lamb with salt and pepper on both sides.

    lamb breast brushed with garlic and mustard mixture.

    Step Five Brush the lamb all over with the mustard and garlic mixture.

    lamb breast rubbed with garlic mustard mixture in roasting pan.

    Step Six Place lamb fat side up in a roasting pan or on a baking dish and cook lamb breast for 4 hours.

    finished lamb breast in roasting pan.

    Step Seven Turn the temperature of the oven up to 350 degrees F for about 20 to 30 minutes to provide a light crisp to the exterior of the lamb. Keep an eye on your lamb at this point. Some ovens are faster than others to heat. If you notice the exterior getting a bit dark, remove the lamb breast from the oven.

    lamb breast on a white platter with thyme.

    Step Eight Use an instant-read/meat thermometer to ensure the lamb has reached an internal temperature of at least 145 degrees Fahrenheit. You are looking for the fat to render (it will pool at the bottom of the roasting pan), a browned exterior, and a somewhat crisped surface. Let rest for about 10-15 minutes, cut the ribs apart, then serve.

    Variations and Substitutions

    • Garnish with more herbs, like fresh mint or fresh parsley.
    • You can add additional seasoning to the lamb before cooking, like a bit of smoked paprika or cumin.
    • You can also season the lamb more simply, seasoning it with only salt and pepper.

    Storage and Reheating

    Fridge Store leftover lamb in an airtight container in the fridge for 3 to 4 days.

    Freezer If you're interested in freezing leftover cooked lamb, I recommend removing the meat from the ribs, sealing in a freezer-safe container like gallon storage bags, and freezing for up to 2 months. 

    Reheating from Fridge I recommend reheating in a pan over medium heat with a bit of oil until the lamb is heated through.

    Reheating from Freezer Defrost in the fridge overnight then reheat as above or add to a dish calling for lamb, like a stew or sauce.

    closeup of a lamb breast on a white platter with thyme.

    Frequently Asked Questions (FAQs)

    What is lamb breast?

    Lamb breast is a cut of lamb belly that includes the breastplate and some ribs. This is a forgiving cut with plenty of fat which renders during the cooking process.

    Is lamb breast the same as lamb ribs?

    While related, lamb breast is not the same cut as lamb ribs. Lamb ribs come from the side of the animal, whereas lamb breast is from the belly, and includes both the breastplate and some lamb ribs.

    Is lamb breast tough or tender?

    Lamb breast starts as a very tough cut of meat, but with a long cook time at a low temperature, it can become quite tender and delicious.

    lamb breast on a white platter with thyme.

    How to Serve this Breast of Lamb Recipe

    This lamb breast recipe is excellent with a variety of side dishes. Try the suggestions below:

    These spicy, lemony Calabrian Potatoes are a wonderful match for lamb and one of my favorite sides. Sautéed Sweet Potatoes would be fantastic, too!

    This Beet and Cucumber Salad with feta and dill is a refreshing side perfect to complement the rich lamb.

    Marinated Brussels Sprouts would be another lovely choice. With shallots, honey, and champagne vinegar, they are balanced and flavorful.

    Expert Tips

    • Slow cooking the lamb will allow it to remain moist and tender on the inside. 
    • Using the assertively flavored rub of mustard, garlic, and rosemary will mask any gamey flavor of the lamb.
    • Letting the meat rest after cooking will ensure it stays juicy. When you cut meat immediately after cooking, its juices can run out. You've come this far - give it just a few minutes longer!

    More Meaty Main Dishes to Try

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      Slow Cooker Lamb Ragu Recipe
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      Easy Air Fryer Ham Steak Recipe
    • Christmas Roast Chicken on a white platter with halved oranges and fresh herbs.
      Christmas Roast Chicken with Orange Butter
    • Grilled, sliced ranchera meat is shown on a black stone plate surrounded by lime and orange slices and cilantro.
      Ranchera Meat

    📖 Recipe

    lamb breast on a white platter with thyme.

    Roasted Lamb Breast Recipe

    This succulent lamb breast recipe is seasoned with Dijon mustard, garlic, and rosemary, then roasted to perfection. With a tender interior and a lightly crisp exterior, this recipe is sure to impress!
    5 from 113 votes
    Print Pin Rate
    Course: Main Course
    Cuisine: American
    Prep Time: 5 minutes minutes
    Cook Time: 4 hours hours 30 minutes minutes
    Resting Time: 10 minutes minutes
    Total Time: 4 hours hours 45 minutes minutes
    Servings: 2 servings
    Calories: 225kcal
    Prevent your screen from going dark

    Equipment

    • Kitchen Knife
    • Cutting Board
    • Small Bowl
    • Basting Brush
    • Roasting Pan
    • Oven Thermometer
    • Tongs
    • Instant Read Thermometer

    Ingredients

    • 1 (2-pound) portion of lamb breast see note 1
    • 1 tablespoon olive oil extra virgin
    • 2 tablespoons Dijon mustard
    • 1 tablespoon chopped garlic
    • 1 teaspoon rosemary
    • 1 teaspoon kosher salt plus more to taste
    • fresh black pepper

    Instructions

    • Preheat the oven to 200 degrees Fahrenheit.
    • Prepare your lamb rub by mixing the dijon mustard, garlic, rosemary, and olive oil together in a dish.
    • Pat the lamb breast dry with a paper towel.
    • Season the lamb with salt and pepper on both sides.
    • Brush the lamb all over with the mustard, rosemary, and garlic mixture.
    • Place lamb fat side up in a roasting pan or on a baking dish and cook lamb breast for 4 hours.
    • Turn the temperature of the oven up to 350 degrees Fahrenheit for about 20 to 30 minutes to provide a light crisp to the exterior of the lamb. Keep an eye on your lamb at this point. Some ovens are faster than others to heat. If you notice the exterior getting a bit dark, remove the lamb breast from the oven.
    • Use an instant-read thermometer to ensure the lamb has reached at least 145 degrees Fahrenheit. You are looking for the fat to render (it will pool at the bottom of the roasting pan), a browned exterior, and a somewhat crisped surface. Let rest for about 10-15 minutes, cut the ribs apart, then serve.

    Video

    Notes

    General
    1. When I ordered for a full lamb breast from a local farm, it came as two 2-pound pieces of meat, each comprising half of a lamb breast. This recipe is for one of these halves. If you'd like to prepare more, click on the number next to "serving" in the header of the recipe card and adjust.
    2. Each lamb breast portion can serve 1 to 2 people.
    3. I always recommend using a reliable oven thermometer. Ovens can be off by as much as 100 degrees or more. Using an oven thermometer will allow you to know the exact, correct temperature of your oven. 
    Storage and Reheating
    1. Fridge Store leftover lamb in an airtight container in the fridge for 3 to 4 days.
    2. Freezer If you're interested in freezing leftover cooked lamb, I recommend removing the meat from the ribs, sealing in a freezer-safe container like gallon storage bags, and freezing for up to 2 months. 
    3. Reheating from Fridge I recommend reheating in a pan over medium heat with a bit of oil until the lamb is heated through.
    4. Reheating from Freezer Defrost in the fridge overnight then reheat as above.

    Nutrition

    Calories: 225kcal | Carbohydrates: 2g | Protein: 9g | Fat: 20g | Saturated Fat: 3g | Polyunsaturated Fat: 0.5g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 0.4mg | Sodium: 1365mg | Potassium: 40mg | Fiber: 1g | Sugar: 0.3g | Vitamin A: 13IU | Vitamin C: 1mg | Calcium: 18mg | Iron: 0.3mg

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    Reader Interactions

    Comments

    1. Remini says

      May 15, 2025 at 12:19 am

      Perfectly seasoned, tender, and crispy lamb breast.

      Reply
    2. James A McDonald says

      April 20, 2025 at 3:07 pm

      5 stars
      Absolutely delicious

      Reply
      • Genevieve says

        April 23, 2025 at 1:04 pm

        Thank you so much, James!

        Reply
    3. Tara L Janssen says

      January 01, 2025 at 8:22 am

      can you let this rub marinate on the lamb overnight?

      Reply
      • Genevieve says

        January 03, 2025 at 9:43 am

        Hi Tara, I haven't tested this, but I don't see why not. 🙂

        Reply
    4. Jane Verant says

      October 25, 2024 at 1:19 pm

      Try swapping the dijon for hot english mustard and sprinkle the fatty side with a little brown sugar when you go to crisp it up. Also does well on the barbi at Christmas... (for the other ozzies!)

      Reply
    5. Lynn says

      August 16, 2024 at 6:54 pm

      5 stars
      this is delicious. great, easy recipe.

      Reply
      • Genevieve says

        August 19, 2024 at 4:21 pm

        Thanks so much, Lynn!

        Reply
    6. Lorna says

      July 20, 2024 at 8:44 pm

      Can I use regular yellow mustard?

      Reply
      • Genevieve says

        August 05, 2024 at 9:11 pm

        Hi Lorna, I have not tried this with regular yellow mustard. If you give it a try, please be sure to report back!

        Reply
    7. Dave Canyon says

      April 17, 2024 at 4:34 am

      I'm about to cook a lamb that's 2.61 pounds.
      How many servings would you suggest to adjust the recipe to?
      I like that I can change the number manually.
      It took me about a minute to find where it was (even though you mentioned it...Ty), and I appreciate you saving me from doing the math.

      I'm looking forward to cooking this. It's similar to making "Pernil" which is a Pork Butt Shoulder Roast. It takes a good seasoning and a slow cook at 350 for 3 hours in a roasting pan.. Perfect every time. Moist and succulent!
      I'll let you know how it goes. I'll post a pic and maybe even a video on my FB page.
      Have a great day!

      Reply
      • Genevieve says

        April 17, 2024 at 8:53 pm

        Hi Dave, thanks so much for reaching out! If your lamb breast is 2.61 lbs, I'd probably stick with the measurements for the 2-lb serving. You can always add a little extra garlic or Dijon if you feel like it isn't adequately coated, but the rub is pretty generous for a 2-lb serving. I'd also be sure to check for temp at the end as I only tested the recipe with a 2-lb portion. 🙂 I can't wait to hear how it goes!

        Reply
    8. Stacey says

      March 29, 2024 at 7:20 am

      Can this dish be made in a slow cooker/crockpot? How long would you recommend the cooking time to be? It sounds delicious.

      Reply
      • Genevieve says

        April 04, 2024 at 4:23 pm

        Hi Stacey! I have not tried this dish in the slow cooker unfortunately, so I am uncertain about the time it would take. Please do report back if you give it a try!

        Reply
    9. Ricardo Llovet says

      March 09, 2024 at 10:38 am

      5 stars
      I really liked the way thr cook explained what he did. Honest and direct which I appreciated. And very helpful. I also liked the music in the background. KUDOS!

      Reply
      • Genevieve says

        March 10, 2024 at 11:52 am

        Thank you so much, Ricardo!

        Reply
    10. L says

      December 25, 2023 at 3:00 pm

      5 stars
      I am so glad to find your recipe for roasted lamb breast.I made it for Christmas and the family loved it although I didn't tell them what it was until afterwards 😅. Now everyone wants to incorporate this into future meals. Thank you!

      Reply
      • Genevieve says

        December 27, 2023 at 11:16 am

        I'm so glad to hear everyone enjoyed this recipe! I hope you all had a wonderful holiday.

        Reply
    11. Jael says

      November 08, 2023 at 1:20 pm

      5 stars
      This roasted lamb breast recipe is a must-try! The lamb is so tender and flavorful, and the Dijon mustard, rosemary, and garlic mixture is the perfect blend of seasonings. We loved the crispy exterior as well. This is definitely a recipe we'll be making again and again!

      Reply
      • Genevieve says

        November 09, 2023 at 10:48 am

        So glad to hear you enjoyed this, Jael!

        Reply
    12. Sars says

      June 12, 2023 at 12:06 pm

      5 stars
      I've never cooked lamb before this but I was eager to try something new. I followed the recipe exactly and it was quite tasty! My oven must run a little cooler though, it took longer than 4 hours to reach perfect doneness. I'm trying it again today but at 275 instead. It's sure to be delicious again!

      Reply
      • Genevieve says

        June 13, 2023 at 12:00 pm

        Ah yes, that's a good point! I recommend having an oven thermometer to ensure the temp is actually what it says it is because ovens can vary so much. Mine often says it's reached temperature when it still has 100 degrees to go! I am so glad to hear you enjoyed this recipe and I hope 275 works out well for you. 🙂

        Reply
    13. Elizabeth S says

      May 06, 2023 at 8:19 am

      5 stars
      Thanks for the thorough instructions! I was super nervous to make it but the lamb turned out perfect. I cannot wait to make this again. Oh and I doubled the amount of rosemary because I LOVE it.

      Reply
      • Genevieve says

        May 11, 2023 at 10:55 am

        Wonderful, I'm so happy to hear it, Elizabeth!

        Reply
    14. Sharina says

      May 06, 2023 at 6:40 am

      5 stars
      Garnish it with fresh parsley and this roasted lamb breast is definitely a keeper! It was so tender and scrumptious!

      Reply
      • Genevieve says

        May 11, 2023 at 10:56 am

        Oh yes, love some fresh parsley! Thanks Sharina!

        Reply
    15. Michelle says

      May 06, 2023 at 1:45 am

      5 stars
      I tried this recipe for roasted lamb breast and it turned out amazing! The meat was tender, juicy and flavorful, and the crispy herb crust added an extra layer of texture and taste. Highly recommend trying this dish!

      Reply
      • Genevieve says

        May 11, 2023 at 10:56 am

        Thank you so much, Michelle! I'm glad you enjoyed it.

        Reply
    16. Sage Scott says

      May 05, 2023 at 7:27 pm

      5 stars
      Sadly, I can no longer eat lamb or other mammalian meats due to a tick-borne food allergy, but I have family members who would love this dish. Can't wait to try it for an upcoming special occasion.

      Reply
      • Genevieve says

        May 11, 2023 at 10:56 am

        I have heard about that, Sage! I'm sorry to hear you're dealing with that and think it's wonderful that you're still preparing things for you family you know they will enjoy.

        Reply
      • Kimberly says

        August 08, 2024 at 3:24 am

        Sage, check out emu meat. There is a farm called Amaroo Hills that farms emu because they contracted alpha gal also and could not eat beef, pork, lamb, etc. anymore. Properly cooked emu meat is just like steak. And muscovy duck can be roasted on high and comes out like roast beef.

        Reply
        • Genevieve says

          August 14, 2024 at 7:10 pm

          Thanks for these tips, Kimberly!

          Reply
    17. Shruthi says

      May 05, 2023 at 3:13 pm

      5 stars
      I couldn't believe how easy (but delicious!) this recipe was. I've never cooked lamb breast before, but my husband picked some up from the local butcher, and I'm so glad I found this recipe. Will definitely be making this again!

      Reply
      • Genevieve says

        May 11, 2023 at 10:57 am

        I'm so happy to hear you enjoyed it! Thanks so much, Shruthi!

        Reply
    18. Priscilla La Rocca says

      March 28, 2023 at 2:01 pm

      5 stars
      wow! very impressive and amazingly delicious recipe.

      Reply
      • Genevieve says

        April 07, 2023 at 12:39 pm

        Thank you so much!

        Reply
    5 from 113 votes (101 ratings without comment)

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